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Double resonance excitation in the ionosphere

✍ Scribed by A.Y. Wong; W.F. Divergilio; K. Iizuka


Book ID
103773509
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
386 KB
Volume
75
Category
Article
ISSN
0375-9601

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Efficient Double-Quantum Excitation in R
✍ T Karlsson; M EdΓ©n; H Luthman; M.H Levitt πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 197 KB

We present a new technique for double-quantum excitation in magic-angle-spinning solid-state NMR. The method involves (i) preparation of nonequilibrium longitudinal magnetization; (ii) mechanical excitation of zero-quantum coherence by spinning the sample at rotational resonance, and (iii) phase-coh